Study documents cigarette environmental hazards

Back in the bad old days when teenagers smoked cigarettes to be cool, it wasn't unusual for a teenage girl to surreptitiously pocket a cigarette butt left behind by a boy she had a crush on.

Some of the world's oldest rubies linked to early life

While analyzing some of the world's oldest colored gemstones, researchers from the University of Waterloo discovered carbon residue that was once ancient life, encased in a 2.5 billion-year-old ruby.

Study finds high levels of PFAS in school uniforms

In yet another example of the prevalence of the hazardous chemicals known as PFAS (per- and polyfluoroalkyl substances) in consumer products, industrial products and textiles, researchers have found notably high levels in ...

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